Meaning

noun (astrology) a person who is born while the sun is in Scorpio

noun the eighth sign of the zodiac; the sun is in this sign from about October 23 to November 21

noun arachnid of warm dry regions having a long segmented tail ending in a venomous stinger

originFrom Middle English scorpioun, skorpioun, schorpion, schorpiun, partly from Old English sċorpio and partly from Anglo-Norman scorpïun, Old French scorpïon, escorpïon; all from Latin scorpiō, ultimately from Ancient Greek σκορπίος (skorpíos). The cheerleading move is so called because of the resemblance of the raised foot to a scorpion's stinger. Displaced native Old English þrōwend (“scorpion”).

Etymology from Wiktionary, CC BY-SA 3.0